O'Reilly Auto Parts is a helpful and friendly store with knowledgeable staff. Customers appreciate the wide selection, such as lawn mower belts, and the helpful assistance from employees like Dustin and Adam. Staff members are known for their expertise, explaining technical details about oil changes and troubleshooting vehicles. Customers also enjoy benefits like military discounts. Overall, the store provides excellent service, helpful advice, and a welcoming environment for those needing auto parts and guidance.